A 18-year-old man has been assaulted on Montpellier Parade in Harrogate.
The incident happened at at 4:30am on the morning of Friday 20 June 2014.
The man was taken to Harrogate hospital with a broken nose and head injuries.
Anyone who can help officers with their enquiries is urged to contact North Yorkshire Police on 101.
If you prefer not to give your name, Crimestoppers can be contacted anonymously on 0800 555 111.